for paralympic superstar oscar pistorius, who denies killing his goal friend. -- this is the "journal." >> call it a cosmic coincidence -- a media blast over the skies had -- just hours after a very close flyby on a much bigger asteroid. >> that asteroid is due to fly past the earth in a matter of minutes. more and that in a moment, but first, to the events of russia. the media or was first spotted at around 9:20 a.m. local time. russia's academy of science said it into the atmosphere at a speed of over 50,000 kilometers per hour and then shattered into pieces. >> the media is thought to have been just about two meters across, but that was enough to cause a massive sonic boom, and it was far from harmless. hundreds of people were injured, most of them by shattering glass. >> a rare moment caught on camera -- don turned to daylight as the media or into the earth's atmosphere with a bang -- dawn turned to daylight. it streaked above the sky leaving a white trail. mobile phones stopped working. the shock wave set off car alarms, and local residents were left wondering what was happening.